i use some micro poly bead filling. It's like the bean bag chair filling but much smaller beads. Don't let them get loose on you, they are tough to get rounded back up. I found them while wandering around the sewing/quilting store waiting for my wife.

a real man doesn't wait for his wife!

just kidding!

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HEBREWS 13:8

Jesus Christ the same yesterday, and to day, and for ever.

Our Lord Jesus said that as it was in the days of Noah and
also as it was in the days of Lot so it shall be in the days...
It's happening again!!! God sent to us His prophet, and His Word
to this generation and we once more are rejecting it as was prophesied!!! ---> As promised, God Sent His Prophet to us!

I use something that I'm packing already so essentially I don't add any more weight or volume to my pack at all. My goretex bivvy sac/bag, when folded in thirds lengthwise (find whatever works for you), and tightly rolled from one end to the other, held with a couple of stout rubber bands (like come on bunches of broccoli in the stores) has the perfect about of firmness/height for me. I shoot better groups off the bench (which I try to do as little as possible) with it and a bipod than I do with sandbags front and rear. Hope this helps. No extra weight...no extra bulk.

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In the beginning God created the heavens and the earth. Genesis 1:1

"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God?" Thomas Jefferson - Notes on the State of Virginia

I usually use a coat/ vest/ shirt whatever I have handy. No extra gear required as I will probably always have one or the other available. I have been shooting more and more using my pack as front rest, and coat as a rear rest and getting good results.

I usually use a coat/ vest/ shirt whatever I have handy. No extra gear required as I will probably always have one or the other available. I have been shooting more and more using my pack as front rest, and coat as a rear rest and getting good results.

+1
If I'm packing on a sheep hunt, I don't carry anything extra. I have enough stuff available using the pack, or what's in it, and I use what's available. If I'm not walking very far, then I'll consider some additional items to improve my set-ups and steadyness.